Softer than a baby's butt
Meaning
Extremely soft or gentle.
Usage
Used hyperbolically in product descriptions.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Ad copy and parenting talk comparing softness to a baby’s skin.
Sprang up in mid-20th-century American advertising.